package com.forum.ajax.homepage;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.json.JSONException;
import org.json.JSONObject;

import com.forum.controller.MainController;
import com.forum.domain.Groups;

public class GetMoreGroups extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public GetMoreGroups() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		response.setContentType("text/html;charset=utf-8");
		PrintWriter out = response.getWriter();
		MainController controller = (MainController) request.getSession()
				.getAttribute("controller");
		List<Groups> groups = controller.getMoreGroups();
		if (groups == null)
			out.print("no more");
		else {
			JSONObject json = new JSONObject();
			try {
				json.accumulate("count", groups.size());

				for (int i = 0; i < groups.size(); i++) {
					Groups group = groups.get(i);
					JSONObject groupjson = new JSONObject();
					groupjson.accumulate("id", group.getId());
					groupjson.accumulate("name", group.getName());
					groupjson.accumulate("userNickname", group.getUser()
							.getNickname());
					groupjson.accumulate("time", group.getBuilddate());
					groupjson.accumulate("intro", group.getIntroduction());
					json.append("group", groupjson);
				}

				out.print(json);

			} catch (JSONException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}

	}

	/**
	 * The doPost method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to
	 * post.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
	}

	/**
	 * Initialization of the servlet. <br>
	 * 
	 * @throws ServletException
	 *             if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
